diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7018896aad..a493dffeb3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -62,7 +62,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Fortran compiler
       uses: fortran-lang/setup-fortran@v1.8.0
@@ -275,7 +275,7 @@ jobs:
         gcc_v: [11,12,13]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Download Artifacts
       id: download_windows_artifacts
@@ -392,7 +392,7 @@ jobs:
       env:
         DEPLOY_BRANCH: ${{ secrets.DEPLOY_BRANCH && contains(github.ref, secrets.DEPLOY_BRANCH) && 1 || 0 }}
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       if: ${{ github.event_name == 'push' }}
 
     - name: Download Artifacts
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 036e8b90d5..398f56023d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -6,7 +6,7 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: '3.x'
diff --git a/.github/workflows/meta.yml b/.github/workflows/meta.yml
index fa54d23040..2cc2c8c277 100644
--- a/.github/workflows/meta.yml
+++ b/.github/workflows/meta.yml
@@ -56,7 +56,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: (Ubuntu) setup gcc version
       if: contains(matrix.os,'ubuntu') 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0afc3ef830..c468b0f526 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       FORMAT: ${{ matrix.format }}
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
@@ -124,7 +124,7 @@ jobs:
       env:
         DEPLOY_BRANCH: ${{ secrets.DEPLOY_BRANCH && contains(github.ref, secrets.DEPLOY_BRANCH) && 1 || 0 }}
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       if: ${{ github.event_name == 'push' }}
 
     - name: Download Artifacts